<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <script src="jquery-1.12.4.js"></script>

</head>
<body>
<div id="contentDiv"></div>
<div id="deleteReult"></div>
<input type="button" value="提交数据" onclick="getData()"><br>
<input type="button" value="删除数据" onclick="deleteData()"><br>
<script>
    function  deleteData() {
          $.ajax({
              url:"http://localhost:8081/book/99",
              type:"delete",
              success:function (msg) {
                  $("#deleteReult").html(msg);
              }
          })
    }
    function  getData() {
        $.ajax({
            url:"http://localhost:8081/book/",
            type:"post",
            data:{name:'三国演义'},
            success:function (msg) {
                $("#contentDiv").html(msg);
            }
        })
    }
</script>
</body>
</html>